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Guan Wu 8 preguntas

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Preguntas del test (8)

1PHP statements must end with a [blank_start]semicolon[blank_end]
1. Asemicolon
2Variable names cannot begin with a [blank_start]digit[blank_end] or 2 [blank_start]underscores[blank_end]
1. Aunderscores
2. Bdigit
3Variable names can consist of
1. Aletters
2. Bnumbers
3. Cspecial characters
4. Dunderscores
5. Ereserved words
4The "filter_input ($type, $variable_name [, $filter])" will return the variable on success. On a fail it will return [blank_start]false[blank_end] and [blank_start]null[blank_end] if the variable isn't set.
1. Afalse
2. Bnull
5The six data types that a PHP variable could be
1. Ainteger
2. Bdouble
3. Cnumber
4. Dboolean
5. Estring
6. Farray
7. Glinked list
8. Hobject
9. Icharacter
10. Jgeneric
6There are 3 possible table relationships: one-to-many, [blank_start]one-to-one[blank_end] and [blank_start]many-to-many[blank_end]
1. Aone-to-one
2. Bmany-to-many
7For an MYSQL query you wanted to join 2 tables together. However, you only want the query to return rows where the data matched. What join should you use?
1. AInner join
2. Bouter join
8The [blank_start]unique[blank_end] column attribute specifies that no duplicate values are allowed but null values are accepted.
1. Aunique

Descripción: Computer Science Test sobre Itools, creado por Guan Wu el 25/04/2022.
Autor: Guan Wu
Idioma: English
Visitas: 0
Etiquetas: computer science
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